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# CBSE Class 10 Free Doubts and Solutions

## Chapter 9 (Some applications of trigometri) Example 6 , how it solved PD+8 = PDroot3 then it directly got PD=8/root3-1 how ?

Asked by edayoor 16th February 2019, 12:20 PM

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## prove that: sinA-cosA+1/sinA+cosA-1=1/secA-tanA

Asked by banerjee_milky 16th February 2019, 11:23 AM

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## Why do we take value of v as negative in question number 11?

Asked by Jaya 16th February 2019, 9:51 AM

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## Why do we take value of v as negative in question number 11?

Asked by Jaya 16th February 2019, 9:50 AM

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## Why do we take image value, i.e. v as negative

Asked by Jaya 16th February 2019, 9:50 AM

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## Solve the following

Asked by ctmonasara914 15th February 2019, 10:01 PM

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## Ch-10 Height And Distance Doubt

Asked by ctmonasara914 15th February 2019, 9:58 PM

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## If -5 is a root of the quadratic equation 2x2+ px –15 = 0 and the quadratic equation p(x2+ x)k = 0 has equal roots, find the value of k.

Asked by bishnoi.harsh.07 15th February 2019, 5:34 PM

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## describe  the impact of great economic depression on indian economy

Asked by nishant.ku23p0 15th February 2019, 1:13 PM

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## if the distance of p{x,y} from a 8,2 and b -2,6 are equal prove that y = 2x

Asked by purvajha1603 15th February 2019, 11:59 AM